package com.gzsxy.lesson01.lesson02;

import java.io.IOException;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;

/**
 * 客户端
 */
public class TcpClientDemo01 {

    public static void main(String[] args) {
        Socket socket = null;
        OutputStream os = null;

        //1.要知道服务器的地址

        //获取Ip
        try {
            //要知道服务器的地址
            InetAddress serverIp = InetAddress.getByName("127.0.0.1");
            //2.端口号
            int port = 9999;
            //2.创建一个socket连接
            socket = new Socket(serverIp, port);
            //3.发送消息  IO流
            os = socket.getOutputStream();

            os.write("你好，欢迎".getBytes());


        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                try {
                    os.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (socket != null) {
                try {
                    socket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

        }
    }
}
